# Asynchronously bulk-upsert Shipment fields (custom fields) Endpoint: POST /integration/rest/api/v1/shipment/bulk-upsert Version: v0 Security: X-AUTH-KEY ## Response 202 fields (*/*): - `jobId` (string) - `status` (string) Enum: "PENDING", "IN_PROGRESS", "SAVING", "COMPLETE", "FAILED" - `totalItems` (integer) - `processedItems` (integer) ## Response 400 fields (*/*): - `code` (string) Error code - `message` (string) Error message - `timeStamp` (integer) Timestamp - `correlationId` (string) Correlation id ## Response 500 fields (*/*): - `code` (string) Error code - `message` (string) Error message - `timeStamp` (integer) Timestamp - `correlationId` (string) Correlation id